Home / 18,089.24-27,133.92-9,326.72

Finding the Fourth Proportional to 18,089.24, 27,133.92 and 9,326.72

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Solution

The fourth proportional to 18,089.24, 27,133.92 and 9,326.72 is: 13,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.24 : 27,133.92 = 9,326.72 : x
  2. Step 2: Convert to fraction form
    18,089.24/27,133.92 = 9,326.72/x
  3. Step 3: Cross multiply
    18,089.24x = 27,133.92 × 9,326.72
  4. Step 4: Simplify right side
    18,089.24x = 253,070,474.34
  5. Step 5: Solve for x
    x = 253,070,474.34/18,089.24
  6. Step 6: Final answer
    x = 13,990.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.